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\bibitem{Xiao_etal2016} {\textquotedblleft}\textit{Infrared to terahertz optical conductivity of n-type and p-type monolayer MoS$_{2}$ in the presence of Rashba spin-orbit coupling}{\textquotedblright}. Xiao YM, Xu W, Van Duppen B, Peeters FM, Physical review B \textbf{94}, 155432 (2016).   http://doi.org/10.1103/PHYSREVB.94.155432

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